My answer on Quora.
He was too much of an absolutist in his thinking and was strongly opposed to constitutional monarchy. Charles was a reactionary throwback to the Ancien Regime who sought to turn back the clock to the pre-Revolution period. He fell afoul of the dominant force of Liberalism and was eventually overthrown in the July Revolution of 1830 that saw Louis Philippe (the Citizen King) come to power. Charles does have the distinction of being the last member of the senior Bourbons to hold sway in France. Louis Philippe was associated with the Bourbon-Orléanist line and would reign until 1848